Home / 54,316,191,390.12-74,958,812,449.20-30,231,755,595.36

Finding the Fourth Proportional to 54,316,191,390.12, 74,958,812,449.20 and 30,231,755,595.36

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Solution

The fourth proportional to 54,316,191,390.12, 74,958,812,449.20 and 30,231,755,595.36 is: 41,721,196,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316,191,390.12 : 74,958,812,449.20 = 30,231,755,595.36 : x
  2. Step 2: Convert to fraction form
    54,316,191,390.12/74,958,812,449.20 = 30,231,755,595.36/x
  3. Step 3: Cross multiply
    54,316,191,390.12x = 74,958,812,449.20 × 30,231,755,595.36
  4. Step 4: Simplify right side
    54,316,191,390.12x = 2,266,136,497,682,642,894,848
  5. Step 5: Solve for x
    x = 2,266,136,497,682,642,894,848/54,316,191,390.12
  6. Step 6: Final answer
    x = 41,721,196,565.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.